Shiseido Treatments Waso: YUZU-C Beauty Sleeping Mask

Shiseido Treatments Waso: YUZU-C Beauty Sleeping Mask

Efficacy75/100IrritancyHigh

Works for

Moisturizing
Glycerin, Maltitol + 9 more
Works
What the product description says
“It utilises the power of yuzu citrus to refresh the skin, improve plumpness, and maintain the skin's moisture levels. This product is suitable for vegans.”
Source: Allbeauty

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: glycerin, trehalose.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: dimethicone, methicone.

GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~3.1–3.8%
MaltitolKey active· HumectantEffect: MediumHelps attract water to the upper layer of the skin~2–2.4%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~1.8–2.2%
TrehaloseKey active· HumectantEffect: HighA sugar that attracts water to the upper layer of the skin~1.4–1.7%
Phytosteryl/octyldodecyl lauroyl glutamateKey active· EmollientEffect: HighA mix of amino acids and plant-based lipids. Helps to soften the upper layer of the skin and reduce water loss over time~0.3–0.55%
Lauroyl lysineKey activeEffect: MediumHelps soften the upper layer of the skin and creates a nice product texture~0.3–0.6%
MethiconeKey active· Emollient, OcclusiveEffect: HighA type of silicone that helps soften the upper layer of the skin and reduces the water loss from the skin surface~0.15–0.3%
Pentaerythrityl tetraethylhexanoate· EmollientEffect: LowUsed to create a nice product consistency while softening the upper layer of the skin~2.4–3%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.3–0.55%
Ascorbyl tetraisopalmitateEffect: Low, below effective doseA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~0.3–0.55%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.1–0.2%

Can it cause trouble?

Irritancy
10 strong irritants: Alcohol denat., Alcohol + 8 more — patch-test recommended
High risk
We flagged 19 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Alcohol denat.Produces temporary toning effect. Can help dissolve other ingredients or preserve productsHigh~4.5–5.5%est.
AlcoholCan be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial propertiesHigh~0.45–0.65%est.
Rosmarinus officinalis leaf oilA plant oil with high content of volatile compounds that can irritate the skin. Can be used as a fragrance. Has anti-bacterial properties and might help neutralize free radicals on the surface of the skinHigh~0.25–0.45%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.2–0.4%est.
Citrus aurantium dulcis oilUsed as a fragrance. It can be irritating and cause photosensitivityHigh~0.25–0.45%est.
Lavandula angustifolia oilAn essential oil. Potential allergen and can be irritating. It has some anti-bacterial propertiesHigh~0.2–0.4%est.
Citrus junos seed extract—High~0.2–0.4%est.
Citrus depressa peel extractA citrus extract. Used as a fragrance. Can be irritatingHigh~0.2–0.35%est.
Citrus junos fruit extractContains essential oil. Can be irritating and lead to photosensitivityHigh~0.15–0.3%est.
Salvia officinalis oil—High~0.15–0.25%est.
Peg-240/hdi copolymer bis-decyltetradeceth-20 etherHelps create a gel-like product textureMedium~0.6–0.85%est.
Potassium hydroxideUsed to adjust the pH level of productsMedium~0.45–0.65%est.
Sodium metaphosphateA preservativeMedium~0.3–0.55%est.
Ascorbyl tetraisopalmitateA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)Medium~0.3–0.55%est.
Sodium metabisulfiteA preservativeMedium~0.1–0.2%est.
Disodium edtaStabilizes the product formulationMedium~0.25–0.45%est.
Dextrin palmitateHelps water and oil mix togetherMedium~0.25–0.5%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~0.25–0.5%est.
BhtA preservativeMedium~0.1–0.2%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Dipropylene glycol~6.3–7.7%
Formula
Irritation risk
Low

Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying

More about Dipropylene glycol
Alcohol denat.~4.5–5.5%
Irritant · high
Irritation risk
High

Produces temporary toning effect. Can help dissolve other ingredients or preserve products

More about Alcohol denat.
Glycerin~3.1–3.8%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Pentaerythrityl tetraethylhexanoate~2.4–3%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product consistency while softening the upper layer of the skin

More about Pentaerythrityl tetraethylhexanoate
Maltitol~2–2.4%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin

More about Maltitol
Dimethicone~1.8–2.2%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Trehalose~1.4–1.7%
Key active
Irritation risk
Low
Works for
Moisturizing

A sugar that attracts water to the upper layer of the skin

More about Trehalose
Euphorbia cerifera wax~1.4–1.8%
Formula
Candelilla cera~1.1–1.3%
Formula
Phenoxyethanol~0.65–1%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Peg-240/hdi copolymer bis-decyltetradeceth-20 ether~0.6–0.85%
Irritant · medium
Irritation risk
Medium

Helps create a gel-like product texture

More about Peg-240/hdi copolymer bis-decyltetradeceth-20 ether
Pyrus malus fruit water~0.5–0.75%
Formula
Carbomer~0.45–0.7%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Alcohol~0.45–0.65%
Irritant · high
Irritation risk
High
Works for
Antibacterial

Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties

More about Alcohol
Potassium hydroxide~0.45–0.65%
Irritant · medium
Irritation risk
Medium

Used to adjust the pH level of products

More about Potassium hydroxide
Peg/ppg-17/4 dimethyl ether~0.4–0.6%
Formula
Irritation risk
Low

Helps to create a nice product texture

More about Peg/ppg-17/4 dimethyl ether
Lauroyl lysine~0.3–0.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and creates a nice product texture

More about Lauroyl lysine
Butylene glycol~0.3–0.55%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Sodium metaphosphate~0.3–0.55%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium metaphosphate
Ascorbyl tetraisopalmitate~0.3–0.55%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin toneAnti-agingMoisturizing

A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)

More about Ascorbyl tetraisopalmitate
Sodium metabisulfite~0.1–0.2%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium metabisulfite
Disodium edta~0.25–0.45%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Dextrin palmitate~0.25–0.5%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Dextrin palmitate
Acrylates/c10-30 alkyl acrylate crosspolymer~0.25–0.5%
Irritant · medium
Irritation risk
Medium

Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together

More about Acrylates/c10-30 alkyl acrylate crosspolymer
Phytosteryl/octyldodecyl lauroyl glutamate~0.3–0.55%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidation

A mix of amino acids and plant-based lipids. Helps to soften the upper layer of the skin and reduce water loss over time

More about Phytosteryl/octyldodecyl lauroyl glutamate
Rosmarinus officinalis leaf oil~0.25–0.45%
Irritant · high
Irritation risk
High
Works for
Anti-oxidationAntibacterial

A plant oil with high content of volatile compounds that can irritate the skin. Can be used as a fragrance. Has anti-bacterial properties and might help neutralize free radicals on the surface of the skin

More about Rosmarinus officinalis leaf oil
Iron oxides~0.2–0.4%
Formula
Irritation risk
Low
Works for
Sun protection

An umbrella term for the following three colorants: CI 77491, CI 77492, CI 77499. They might be able to offer some protection against visible light, but the degree of the protection is not clear

More about Iron oxides
Ci 77492~0.25–0.45%
Formula
Irritation risk
Low

A colorant. Usually well-tolerated

More about Ci 77492
Limonene~0.2–0.4%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Citrus aurantium dulcis oil~0.25–0.45%
Irritant · high
Irritation risk
High

Used as a fragrance. It can be irritating and cause photosensitivity

More about Citrus aurantium dulcis oil
Lavandula angustifolia oil~0.2–0.4%
Irritant · high
Irritation risk
High

An essential oil. Potential allergen and can be irritating. It has some anti-bacterial properties

More about Lavandula angustifolia oil
Triisostearin~0.2–0.4%
Formula
Irritation risk
Low
More about Triisostearin
Citrus junos seed extract~0.2–0.4%
Irritant · high
Trimethylolpropane triethylhexanoate~0.25–0.45%
Formula
Citrus depressa peel extract~0.2–0.35%
Irritant · high
Irritation risk
High

A citrus extract. Used as a fragrance. Can be irritating

More about Citrus depressa peel extract
Citrus junos fruit extract~0.15–0.3%
Irritant · high
Irritation risk
High

Contains essential oil. Can be irritating and lead to photosensitivity

More about Citrus junos fruit extract
Salvia officinalis oil~0.15–0.25%
Irritant · high
Methicone~0.15–0.3%
Key active
Irritation risk
Low
Works for
Moisturizing

A type of silicone that helps soften the upper layer of the skin and reduces the water loss from the skin surface

More about Methicone
Bht~0.1–0.2%
Irritant · medium
Irritation risk
Medium

A preservative

More about Bht
Tetradecene~0.15–0.25%
Formula
Irritation risk
Low
More about Tetradecene
Tocopherol~0.1–0.2%
Formula
Irritation risk
Low
Works for
Anti-oxidationAnti-agingAnti-inflammatoryMoisturizing

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Ingredient list view

Water, Dipropylene glycol, Alcohol denat., Glycerin, Pentaerythrityl tetraethylhexanoate, Maltitol, Dimethicone, Trehalose, Euphorbia cerifera wax, Candelilla cera, Phenoxyethanol, Peg-240/hdi copolymer bis-decyltetradeceth-20 ether, Pyrus malus fruit water, Carbomer, Alcohol, Potassium hydroxide, Peg/ppg-17/4 dimethyl ether, Lauroyl lysine, Butylene glycol, Sodium metaphosphate, Ascorbyl tetraisopalmitate, Sodium metabisulfite, Disodium edta, Dextrin palmitate, Acrylates/c10-30 alkyl acrylate crosspolymer, Phytosteryl/octyldodecyl lauroyl glutamate, Rosmarinus officinalis leaf oil, Iron oxides, Ci 77492, Limonene, Citrus aurantium dulcis oil, Lavandula angustifolia oil, Triisostearin, Citrus junos seed extract, Trimethylolpropane triethylhexanoate, Citrus depressa peel extract, Citrus junos fruit extract, Salvia officinalis oil, Methicone, Bht, Tetradecene, Tocopherol

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🇬🇧 Amazon UK (UK)Price as of 11/7 00:00 GMT
≈ $49.24
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
ShiseidoTreatments Waso: YUZU-C Beauty Sleeping MaskYOUR PRODUCTWASOYUZU-C Beauty Sleeping MaskAxxziaAGtheory Gel MaskDr. Jart+Cryo Rubber Mask with Firming Collagen
Match—53%42%41%
Price—$35.91$80.80$13.74
Shared key ingredients—5 of 53 of 53 of 5
Key difference———Niacinamide
Irritancy High High Medium Medium
Drying alcohol Contains drying alcohol Contains drying alcohol Contains drying alcohol —
View product Shop Shop Shop

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Product summary

"Shiseido - Treatments Waso: YUZU-C Beauty Sleeping Mask" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • Humectants (trehalose 1.40% - 1.70% and glycerin 3.10% - 3.80%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Price

The product retails from 23.80£ up to 629.00£ in the United Kingdom.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 23 studies and safety reviews.

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Shiseido Treatments Waso: YUZU-C Beauty Sleeping Mask
ShiseidoTreatments Waso: YUZU-C Beauty Sleeping Mask

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

As an Amazon Associate, WIMJ earns from qualifying purchases.